161994240

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 240

約数和(自身を含む): 574516800

約数和(自身を除く): 412522560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 89, 90, 96, 120, 128, 144, 158, 160, 178, 180, 192, 237, 240, 256, 267, 288, 316, 320, 356, 360, 384, 395, 445, 474, 480, 512, 534, 576, 632, 640, 711, 712, 720, 768, 790, 801, 890, 948, 960, 1068, 1152, 1185, 1264, 1280, 1335, 1422, 1424, 1440, 1536, 1580, 1602, 1780, 1896, 1920, 2136, 2304, 2370, 2528, 2560, 2670, 2844, 2848, 2880, 3160, 3204, 3555, 3560, 3792, 3840, 4005, 4272, 4608, 4740, 5056, 5340, 5688, 5696, 5760, 6320, 6408, 7031, 7110, 7120, 7584, 7680, 8010, 8544, 9480, 10112, 10680, 11376, 11392, 11520, 12640, 12816, 14062, 14220, 14240, 15168, 16020, 17088, 18960, 20224, 21093, 21360, 22752, 22784, 23040, 25280, 25632, 28124, 28440, 28480, 30336, 32040, 34176, 35155, 37920, 40448, 42186, 42720, 45504, 45568, 50560, 51264, 56248, 56880, 56960, 60672, 63279, 64080, 68352, 70310, 75840, 84372, 85440, 91008, 101120, 102528, 105465, 112496, 113760, 113920, 121344, 126558, 128160, 136704, 140620, 151680, 168744, 170880, 182016, 202240, 205056, 210930, 224992, 227520, 227840, 253116, 256320, 281240, 303360, 316395, 337488, 341760, 364032, 410112, 421860, 449984, 455040, 506232, 512640, 562480, 606720, 632790, 674976, 683520, 843720, 899968, 910080, 1012464, 1025280, 1124960, 1265580, 1349952, 1687440, 1799936, 1820160, 2024928, 2050560, 2249920, 2531160, 2699904, 3374880, 3599872, 4049856, 4499840, 5062320, 5399808, 6749760, 8099712, 8999680, 10124640, 10799616, 13499520, 16199424, 17999360, 20249280, 26999040, 32398848, 40498560, 53998080, 80997120, 161994240]

約数ペア:

[(1, 161994240), (2, 80997120), (3, 53998080), (4, 40498560), (5, 32398848), (6, 26999040), (8, 20249280), (9, 17999360), (10, 16199424), (12, 13499520), (15, 10799616), (16, 10124640), (18, 8999680), (20, 8099712), (24, 6749760), (30, 5399808), (32, 5062320), (36, 4499840), (40, 4049856), (45, 3599872), (48, 3374880), (60, 2699904), (64, 2531160), (72, 2249920), (79, 2050560), (80, 2024928), (89, 1820160), (90, 1799936), (96, 1687440), (120, 1349952), (128, 1265580), (144, 1124960), (158, 1025280), (160, 1012464), (178, 910080), (180, 899968), (192, 843720), (237, 683520), (240, 674976), (256, 632790), (267, 606720), (288, 562480), (316, 512640), (320, 506232), (356, 455040), (360, 449984), (384, 421860), (395, 410112), (445, 364032), (474, 341760), (480, 337488), (512, 316395), (534, 303360), (576, 281240), (632, 256320), (640, 253116), (711, 227840), (712, 227520), (720, 224992), (768, 210930), (790, 205056), (801, 202240), (890, 182016), (948, 170880), (960, 168744), (1068, 151680), (1152, 140620), (1185, 136704), (1264, 128160), (1280, 126558), (1335, 121344), (1422, 113920), (1424, 113760), (1440, 112496), (1536, 105465), (1580, 102528), (1602, 101120), (1780, 91008), (1896, 85440), (1920, 84372), (2136, 75840), (2304, 70310), (2370, 68352), (2528, 64080), (2560, 63279), (2670, 60672), (2844, 56960), (2848, 56880), (2880, 56248), (3160, 51264), (3204, 50560), (3555, 45568), (3560, 45504), (3792, 42720), (3840, 42186), (4005, 40448), (4272, 37920), (4608, 35155), (4740, 34176), (5056, 32040), (5340, 30336), (5688, 28480), (5696, 28440), (5760, 28124), (6320, 25632), (6408, 25280), (7031, 23040), (7110, 22784), (7120, 22752), (7584, 21360), (7680, 21093), (8010, 20224), (8544, 18960), (9480, 17088), (10112, 16020), (10680, 15168), (11376, 14240), (11392, 14220), (11520, 14062), (12640, 12816)]